Research Article

Deformation Fields Measurement of Crack Tip under High-Frequency Resonant Loading Using a Novel Hybrid Image Processing Method

Figure 19

Plastic zone sizes with different cracks.
(a) Crack length 3.23mm and radius of plastic zone 0.21 mm
(b) Crack length 6.87 mm and radius of plastic zone 0.42 mm
(c) Crack length 9.46 mm and radius of plastic zone 0.68 mm
(d) Crack length 12.47mm and radius of plastic zone 0.87 mm